Kro’s Nest
Home of m5kro
Latest Posts
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How To Clone A VC Mifare DESFire
Mifare DESFire keycards are some of the most difficult keycards to clone. As such, they are used in access control, transit, closed loop payments, and many other sectors. Acquiring keys for DESFire cards has been borderline impossible thanks to its robust physical and digital security architecture. However, in recent years, technologies like Android HCE have…
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AI Terminal Automation
Over a year ago, I released Terminal Commander, a tool that used LLMs to perform terminal operations. But the tool was very rudimentary, lacking in true interactive control over the command line. Since then, I’ve redesigned the entire system, allowing automation from the AI with little to no human intervention. Let’s take a look at…
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Challenges of Designing Hardware
A few months ago, I set out to create KiKard, a custom NFC testing board meant for part two of my NFC Card emulation series. It was an ambitious project with some pretty lofty goals, but I felt somewhat confident that I could complete it within a month. Unfortunately, things did not go according to…